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Finding the Fourth Proportional to 432.72, 596.70 and 370.76

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Solution

The fourth proportional to 432.72, 596.70 and 370.76 is: 511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.72 : 596.70 = 370.76 : x
  2. Step 2: Convert to fraction form
    432.72/596.70 = 370.76/x
  3. Step 3: Cross multiply
    432.72x = 596.70 × 370.76
  4. Step 4: Simplify right side
    432.72x = 221,229.51
  5. Step 5: Solve for x
    x = 221,229.51/432.72
  6. Step 6: Final answer
    x = 511.25

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Find fourth proportional to 216.36, 298.35 and 185.38
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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.