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Finding the Fourth Proportional to 1,566.80, 2,350.72 and 526.90

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Solution

The fourth proportional to 1,566.80, 2,350.72 and 526.90 is: 790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.80 : 2,350.72 = 526.90 : x
  2. Step 2: Convert to fraction form
    1,566.80/2,350.72 = 526.90/x
  3. Step 3: Cross multiply
    1,566.80x = 2,350.72 × 526.90
  4. Step 4: Simplify right side
    1,566.80x = 1,238,594.37
  5. Step 5: Solve for x
    x = 1,238,594.37/1,566.80
  6. Step 6: Final answer
    x = 790.52

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1.5x scale

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.