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Finding the Fourth Proportional to 430.76, 594.45 and 234.27

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Solution

The fourth proportional to 430.76, 594.45 and 234.27 is: 323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    430.76 : 594.45 = 234.27 : x
  2. Step 2: Convert to fraction form
    430.76/594.45 = 234.27/x
  3. Step 3: Cross multiply
    430.76x = 594.45 × 234.27
  4. Step 4: Simplify right side
    430.76x = 139,264.03
  5. Step 5: Solve for x
    x = 139,264.03/430.76
  6. Step 6: Final answer
    x = 323.30

Related Problems

Find fourth proportional to 215.38, 297.23 and 117.14
Half scale
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Double scale
Find fourth proportional to 431.76, 595.83 and 235.27
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.