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Finding the Fourth Proportional to 675.96, 933.33 and 545.55

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Solution

The fourth proportional to 675.96, 933.33 and 545.55 is: 753.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.96 : 933.33 = 545.55 : x
  2. Step 2: Convert to fraction form
    675.96/933.33 = 545.55/x
  3. Step 3: Cross multiply
    675.96x = 933.33 × 545.55
  4. Step 4: Simplify right side
    675.96x = 509,178.18
  5. Step 5: Solve for x
    x = 509,178.18/675.96
  6. Step 6: Final answer
    x = 753.27

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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.