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Finding the Fourth Proportional to 885.98, 1,329.02 and 366.06

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Solution

The fourth proportional to 885.98, 1,329.02 and 366.06 is: 549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    885.98 : 1,329.02 = 366.06 : x
  2. Step 2: Convert to fraction form
    885.98/1,329.02 = 366.06/x
  3. Step 3: Cross multiply
    885.98x = 1,329.02 × 366.06
  4. Step 4: Simplify right side
    885.98x = 486,501.06
  5. Step 5: Solve for x
    x = 486,501.06/885.98
  6. Step 6: Final answer
    x = 549.11

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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.