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Finding the Fourth Proportional to 652.67, 898.79 and 610.99

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Solution

The fourth proportional to 652.67, 898.79 and 610.99 is: 841.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.67 : 898.79 = 610.99 : x
  2. Step 2: Convert to fraction form
    652.67/898.79 = 610.99/x
  3. Step 3: Cross multiply
    652.67x = 898.79 × 610.99
  4. Step 4: Simplify right side
    652.67x = 549,150.98
  5. Step 5: Solve for x
    x = 549,150.98/652.67
  6. Step 6: Final answer
    x = 841.39

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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.