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Finding the Fourth Proportional to 435.72, 601.71 and 373.18

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Solution

The fourth proportional to 435.72, 601.71 and 373.18 is: 515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.72 : 601.71 = 373.18 : x
  2. Step 2: Convert to fraction form
    435.72/601.71 = 373.18/x
  3. Step 3: Cross multiply
    435.72x = 601.71 × 373.18
  4. Step 4: Simplify right side
    435.72x = 224,546.14
  5. Step 5: Solve for x
    x = 224,546.14/435.72
  6. Step 6: Final answer
    x = 515.35

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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.