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Finding the Fourth Proportional to 530.08, 791.59 and 524.36

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Solution

The fourth proportional to 530.08, 791.59 and 524.36 is: 783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.08 : 791.59 = 524.36 : x
  2. Step 2: Convert to fraction form
    530.08/791.59 = 524.36/x
  3. Step 3: Cross multiply
    530.08x = 791.59 × 524.36
  4. Step 4: Simplify right side
    530.08x = 415,075.33
  5. Step 5: Solve for x
    x = 415,075.33/530.08
  6. Step 6: Final answer
    x = 783.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.