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Finding the Fourth Proportional to 570.36, 859.81 and 532.74

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Solution

The fourth proportional to 570.36, 859.81 and 532.74 is: 803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    570.36 : 859.81 = 532.74 : x
  2. Step 2: Convert to fraction form
    570.36/859.81 = 532.74/x
  3. Step 3: Cross multiply
    570.36x = 859.81 × 532.74
  4. Step 4: Simplify right side
    570.36x = 458,055.18
  5. Step 5: Solve for x
    x = 458,055.18/570.36
  6. Step 6: Final answer
    x = 803.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.