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Finding the Fourth Proportional to 867.93, 1,197.02 and 654.30

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Solution

The fourth proportional to 867.93, 1,197.02 and 654.30 is: 902.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    867.93 : 1,197.02 = 654.30 : x
  2. Step 2: Convert to fraction form
    867.93/1,197.02 = 654.30/x
  3. Step 3: Cross multiply
    867.93x = 1,197.02 × 654.30
  4. Step 4: Simplify right side
    867.93x = 783,206.91
  5. Step 5: Solve for x
    x = 783,206.91/867.93
  6. Step 6: Final answer
    x = 902.38

Related Problems

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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.