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Finding the Fourth Proportional to 572.95, 859.08 and 202.58

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Solution

The fourth proportional to 572.95, 859.08 and 202.58 is: 303.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.95 : 859.08 = 202.58 : x
  2. Step 2: Convert to fraction form
    572.95/859.08 = 202.58/x
  3. Step 3: Cross multiply
    572.95x = 859.08 × 202.58
  4. Step 4: Simplify right side
    572.95x = 174,028.13
  5. Step 5: Solve for x
    x = 174,028.13/572.95
  6. Step 6: Final answer
    x = 303.74

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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.