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Finding the Fourth Proportional to 575.83, 863.61 and 210.70

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Solution

The fourth proportional to 575.83, 863.61 and 210.70 is: 316.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.83 : 863.61 = 210.70 : x
  2. Step 2: Convert to fraction form
    575.83/863.61 = 210.70/x
  3. Step 3: Cross multiply
    575.83x = 863.61 × 210.70
  4. Step 4: Simplify right side
    575.83x = 181,962.63
  5. Step 5: Solve for x
    x = 181,962.63/575.83
  6. Step 6: Final answer
    x = 316.00

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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.