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Finding the Fourth Proportional to 432.24, 595.41 and 344.76

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Solution

The fourth proportional to 432.24, 595.41 and 344.76 is: 474.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.24 : 595.41 = 344.76 : x
  2. Step 2: Convert to fraction form
    432.24/595.41 = 344.76/x
  3. Step 3: Cross multiply
    432.24x = 595.41 × 344.76
  4. Step 4: Simplify right side
    432.24x = 205,273.55
  5. Step 5: Solve for x
    x = 205,273.55/432.24
  6. Step 6: Final answer
    x = 474.91

Related Problems

Find fourth proportional to 216.12, 297.71 and 172.38
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Double scale
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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.