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Finding the Fourth Proportional to 435.59, 601.50 and 288.17

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Solution

The fourth proportional to 435.59, 601.50 and 288.17 is: 397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.59 : 601.50 = 288.17 : x
  2. Step 2: Convert to fraction form
    435.59/601.50 = 288.17/x
  3. Step 3: Cross multiply
    435.59x = 601.50 × 288.17
  4. Step 4: Simplify right side
    435.59x = 173,334.26
  5. Step 5: Solve for x
    x = 173,334.26/435.59
  6. Step 6: Final answer
    x = 397.93

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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.