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Finding the Fourth Proportional to 833.02, 1,148.58 and 567.18

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Solution

The fourth proportional to 833.02, 1,148.58 and 567.18 is: 782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.02 : 1,148.58 = 567.18 : x
  2. Step 2: Convert to fraction form
    833.02/1,148.58 = 567.18/x
  3. Step 3: Cross multiply
    833.02x = 1,148.58 × 567.18
  4. Step 4: Simplify right side
    833.02x = 651,451.60
  5. Step 5: Solve for x
    x = 651,451.60/833.02
  6. Step 6: Final answer
    x = 782.04

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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.