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Finding the Fourth Proportional to 652.16, 901.13 and 513.38

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Solution

The fourth proportional to 652.16, 901.13 and 513.38 is: 709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.16 : 901.13 = 513.38 : x
  2. Step 2: Convert to fraction form
    652.16/901.13 = 513.38/x
  3. Step 3: Cross multiply
    652.16x = 901.13 × 513.38
  4. Step 4: Simplify right side
    652.16x = 462,621.81
  5. Step 5: Solve for x
    x = 462,621.81/652.16
  6. Step 6: Final answer
    x = 709.37

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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.