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Finding the Fourth Proportional to 507.85, 761.55 and 234.03

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Solution

The fourth proportional to 507.85, 761.55 and 234.03 is: 350.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.85 : 761.55 = 234.03 : x
  2. Step 2: Convert to fraction form
    507.85/761.55 = 234.03/x
  3. Step 3: Cross multiply
    507.85x = 761.55 × 234.03
  4. Step 4: Simplify right side
    507.85x = 178,225.55
  5. Step 5: Solve for x
    x = 178,225.55/507.85
  6. Step 6: Final answer
    x = 350.94

Related Problems

Find fourth proportional to 253.93, 380.78 and 117.02
Half scale
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Double scale
Find fourth proportional to 508.85, 763.05 and 235.03
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.