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Finding the Fourth Proportional to 652.96, 977.12 and 562.74

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Solution

The fourth proportional to 652.96, 977.12 and 562.74 is: 842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.96 : 977.12 = 562.74 : x
  2. Step 2: Convert to fraction form
    652.96/977.12 = 562.74/x
  3. Step 3: Cross multiply
    652.96x = 977.12 × 562.74
  4. Step 4: Simplify right side
    652.96x = 549,864.51
  5. Step 5: Solve for x
    x = 549,864.51/652.96
  6. Step 6: Final answer
    x = 842.11

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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.