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Finding the Fourth Proportional to 491.55, 733.35 and 468.36

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Solution

The fourth proportional to 491.55, 733.35 and 468.36 is: 698.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    491.55 : 733.35 = 468.36 : x
  2. Step 2: Convert to fraction form
    491.55/733.35 = 468.36/x
  3. Step 3: Cross multiply
    491.55x = 733.35 × 468.36
  4. Step 4: Simplify right side
    491.55x = 343,471.81
  5. Step 5: Solve for x
    x = 343,471.81/491.55
  6. Step 6: Final answer
    x = 698.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.