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Finding the Fourth Proportional to 888.26, 1,225.14 and 652.13

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Solution

The fourth proportional to 888.26, 1,225.14 and 652.13 is: 899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.26 : 1,225.14 = 652.13 : x
  2. Step 2: Convert to fraction form
    888.26/1,225.14 = 652.13/x
  3. Step 3: Cross multiply
    888.26x = 1,225.14 × 652.13
  4. Step 4: Simplify right side
    888.26x = 798,944.42
  5. Step 5: Solve for x
    x = 798,944.42/888.26
  6. Step 6: Final answer
    x = 899.45

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Double scale
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1.5x scale

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.