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Finding the Fourth Proportional to 555.53, 833.45 and 555.53

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Solution

The fourth proportional to 555.53, 833.45 and 555.53 is: 833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.53 : 833.45 = 555.53 : x
  2. Step 2: Convert to fraction form
    555.53/833.45 = 555.53/x
  3. Step 3: Cross multiply
    555.53x = 833.45 × 555.53
  4. Step 4: Simplify right side
    555.53x = 462,999.53
  5. Step 5: Solve for x
    x = 462,999.53/555.53
  6. Step 6: Final answer
    x = 833.45

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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.