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Finding the Fourth Proportional to 845.27, 1,167.01 and 530.69

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Solution

The fourth proportional to 845.27, 1,167.01 and 530.69 is: 732.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    845.27 : 1,167.01 = 530.69 : x
  2. Step 2: Convert to fraction form
    845.27/1,167.01 = 530.69/x
  3. Step 3: Cross multiply
    845.27x = 1,167.01 × 530.69
  4. Step 4: Simplify right side
    845.27x = 619,313.38
  5. Step 5: Solve for x
    x = 619,313.38/845.27
  6. Step 6: Final answer
    x = 732.68

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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.