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Finding the Fourth Proportional to 432.77, 597.85 and 374.45

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Solution

The fourth proportional to 432.77, 597.85 and 374.45 is: 517.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.77 : 597.85 = 374.45 : x
  2. Step 2: Convert to fraction form
    432.77/597.85 = 374.45/x
  3. Step 3: Cross multiply
    432.77x = 597.85 × 374.45
  4. Step 4: Simplify right side
    432.77x = 223,861.01
  5. Step 5: Solve for x
    x = 223,861.01/432.77
  6. Step 6: Final answer
    x = 517.28

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Find fourth proportional to 216.38, 298.92 and 187.22
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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.