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Finding the Fourth Proportional to 652.16, 977.28 and 363.68

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Solution

The fourth proportional to 652.16, 977.28 and 363.68 is: 544.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.16 : 977.28 = 363.68 : x
  2. Step 2: Convert to fraction form
    652.16/977.28 = 363.68/x
  3. Step 3: Cross multiply
    652.16x = 977.28 × 363.68
  4. Step 4: Simplify right side
    652.16x = 355,417.19
  5. Step 5: Solve for x
    x = 355,417.19/652.16
  6. Step 6: Final answer
    x = 544.98

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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.