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Finding the Fourth Proportional to 371.52, 560.63 and 358.65

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Solution

The fourth proportional to 371.52, 560.63 and 358.65 is: 541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.52 : 560.63 = 358.65 : x
  2. Step 2: Convert to fraction form
    371.52/560.63 = 358.65/x
  3. Step 3: Cross multiply
    371.52x = 560.63 × 358.65
  4. Step 4: Simplify right side
    371.52x = 201,068.16
  5. Step 5: Solve for x
    x = 201,068.16/371.52
  6. Step 6: Final answer
    x = 541.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.