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Finding the Fourth Proportional to 1,505.60, 2,258.70 and 532.39

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Solution

The fourth proportional to 1,505.60, 2,258.70 and 532.39 is: 798.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.60 : 2,258.70 = 532.39 : x
  2. Step 2: Convert to fraction form
    1,505.60/2,258.70 = 532.39/x
  3. Step 3: Cross multiply
    1,505.60x = 2,258.70 × 532.39
  4. Step 4: Simplify right side
    1,505.60x = 1,202,509.29
  5. Step 5: Solve for x
    x = 1,202,509.29/1,505.60
  6. Step 6: Final answer
    x = 798.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.