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Finding the Fourth Proportional to 572.46, 858.05 and 526.33

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Solution

The fourth proportional to 572.46, 858.05 and 526.33 is: 788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.46 : 858.05 = 526.33 : x
  2. Step 2: Convert to fraction form
    572.46/858.05 = 526.33/x
  3. Step 3: Cross multiply
    572.46x = 858.05 × 526.33
  4. Step 4: Simplify right side
    572.46x = 451,616.63
  5. Step 5: Solve for x
    x = 451,616.63/572.46
  6. Step 6: Final answer
    x = 788.91

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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.