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Finding the Fourth Proportional to 622.08, 933.48 and 570.24

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Solution

The fourth proportional to 622.08, 933.48 and 570.24 is: 855.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.08 : 933.48 = 570.24 : x
  2. Step 2: Convert to fraction form
    622.08/933.48 = 570.24/x
  3. Step 3: Cross multiply
    622.08x = 933.48 × 570.24
  4. Step 4: Simplify right side
    622.08x = 532,307.64
  5. Step 5: Solve for x
    x = 532,307.64/622.08
  6. Step 6: Final answer
    x = 855.69

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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.