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Finding the Fourth Proportional to 1,700.33, 2,550.36 and 530.30

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Solution

The fourth proportional to 1,700.33, 2,550.36 and 530.30 is: 795.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.33 : 2,550.36 = 530.30 : x
  2. Step 2: Convert to fraction form
    1,700.33/2,550.36 = 530.30/x
  3. Step 3: Cross multiply
    1,700.33x = 2,550.36 × 530.30
  4. Step 4: Simplify right side
    1,700.33x = 1,352,455.91
  5. Step 5: Solve for x
    x = 1,352,455.91/1,700.33
  6. Step 6: Final answer
    x = 795.41

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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.