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Finding the Fourth Proportional to 882.02, 1,323.04 and 361.66

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Solution

The fourth proportional to 882.02, 1,323.04 and 361.66 is: 542.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.02 : 1,323.04 = 361.66 : x
  2. Step 2: Convert to fraction form
    882.02/1,323.04 = 361.66/x
  3. Step 3: Cross multiply
    882.02x = 1,323.04 × 361.66
  4. Step 4: Simplify right side
    882.02x = 478,482.22
  5. Step 5: Solve for x
    x = 478,482.22/882.02
  6. Step 6: Final answer
    x = 542.49

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Double scale
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1.5x scale

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.