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Finding the Fourth Proportional to 435.16, 600.24 and 402.76

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Solution

The fourth proportional to 435.16, 600.24 and 402.76 is: 555.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.16 : 600.24 = 402.76 : x
  2. Step 2: Convert to fraction form
    435.16/600.24 = 402.76/x
  3. Step 3: Cross multiply
    435.16x = 600.24 × 402.76
  4. Step 4: Simplify right side
    435.16x = 241,752.66
  5. Step 5: Solve for x
    x = 241,752.66/435.16
  6. Step 6: Final answer
    x = 555.55

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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.