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Finding the Fourth Proportional to 375.48, 560.99 and 358.47

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Solution

The fourth proportional to 375.48, 560.99 and 358.47 is: 535.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.48 : 560.99 = 358.47 : x
  2. Step 2: Convert to fraction form
    375.48/560.99 = 358.47/x
  3. Step 3: Cross multiply
    375.48x = 560.99 × 358.47
  4. Step 4: Simplify right side
    375.48x = 201,096.29
  5. Step 5: Solve for x
    x = 201,096.29/375.48
  6. Step 6: Final answer
    x = 535.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.